CalMirror vs BT Find
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CalMirror
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Have you got 2 or 3 Google accounts? Work, personal, side projects — calendars all over the place, double bookings, endless copy-paste? CalMirror automatically mirrors events between your multiple Google Calendars. ------------------ PERFECT FOR • People with separate work and personal Google accounts • Side hustlers who don't want freelance work showing on their main calendar • Freelancers who want to share busy times — not details — with family • Anyone working across multiple Google Workspaces KEY FEATURES • Auto sync events from Calendar A to Calendar X • Replace titles and notes (e.g., "Client X meeting" → "Busy") • Color conversion rules • Filter out events you don't want to sync (Pro) • Auto-delete sync (Pro) • Run multiple sync rules in parallel (Pro) FREE / PRO • Free: 1 sync rule • Pro ($3.99/month): Unlimited rules + filters + deletion sync PRIVACY • Calendar data is never stored on our servers • Official Google OAuth 2.0 authentication REQUIREMENTS iOS 16+ / Google account ------------------ Terms of Use: https://cal-mirror.bad-company.jp/terms Privacy Policy: https://cal-mirror.bad-company.jp/privacy Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
BT Find
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Find any Bluetooth device around you in seconds. BT Find uses your phone's Bluetooth to scan for nearby devices and show their signal strength in real time. Whether you're looking for lost earbuds, tracking down a wireless speaker, or just curious what's broadcasting nearby — BT Find makes it easy. RADAR SIGNAL TRACKING See a live radar display with real-time signal strength. Walk around and watch the signal get stronger as you get closer to your device. APPROXIMATE DISTANCE Get a distance estimate in meters for every detected device, so you know which direction to walk. SMART DEVICE RECOGNITION The app automatically identifies device types — phones, laptops, headphones, watches, speakers, and more — with intuitive icons. FAVORITES & CUSTOM NAMES Save frequently used devices and give them custom names for instant recognition next time. SIMPLE & FAST Tap once to scan. Results appear in seconds, sorted by distance. Tap any device to open the signal tracker and start searching. Free users get daily scans. Unlock unlimited scanning anytime with a Pro subscription (in-app purchase required). Download BT Find and never lose a Bluetooth device again. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docs.google.com/document/d/e/2PACX-1vSa94_jeZG2XSJYBg58imExONWYsK3fpA905Pfae7uBtkIICJ9chgDJ5Z1Ye40CudBla75lx94uY1f1/pub
Screenshots
Verdict
The clearest difference is ads: BT Find at none against CalMirror's shown. CalMirror's advantage is update cadence (every 3 weeks vs every 4 months) and device support (3 vs 1). On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CalMirror sells 2 in-app purchases, starting at $2.99 per month and BT Find sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.
CalMirror ships an update every 3 weeks, BT Find every 4 months. The most recent releases landed on October 10, 2026 and October 23, 2026 respectively.
| Parameter | CalMirror | BT Find |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.3 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 26.2 |
| Further details — not scored | ||
| Size | 40 MB | 19 MB |
| Age rating | 4+ | 9+ |
| Developer | bad-company Incorporated | Yauheni Chyruk |
In-app purchases
CalMirror
- Premium Monthly$2.991 Month
- Premium Yearly$29.991 Year
BT Find
- Pro Weekly$7.997 Days
- Pro Weekly Trial3 Days trial$7.997 Days
- Pro Yearly$29.991 Year









